500W/700W/1000W DC12V/24V to AC110V/120V//220V/230V/240V | Single Phase Low Frequency Inverter | 50Hz/60Hz Output Frequency | Cheap Inverter Price
Product
■ Feature of Single Phase Frequency Inverter
1 Pure sine wave 50hz/60hz output.
2 Single phase low frequency toroidal transformer lower loss.
3 Brand new wide LCD screen, clearly and precisely shows working data.
4 Three-stage charging: Constant current, constant voltage, float charge.
5 Three types working modes.
6 Battery types selectable.
7 Frequency inverter with built in pwm or mppt charge controller.
8 Added fault code query function, easy to monitor the operation in real time.
9 Supports RS232 or RS485 communication port.
■ Parameters of Single Phase Frequency Inverter
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Specification |
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Model SJW |
50112/24 |
70112/24 |
10212/24 |
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Rated Power |
500W |
700W |
1000W |
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Peak Power（20ms) |
1500W |
2100W |
3000W |
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Start Motor |
0.5HP |
0.5HP |
1HP |
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Battery Voltage |
12/24VDC |
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Size(L*W*Hmm) |
408*296*130 |
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Packing Size(L*W*Hmm) |
495*365*220 |
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N.W.(kg) |
8.5 |
9.5 |
10.5 |
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G.W.(kg)（Carton Packing） |
10 |
11 |
12 |
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Installation Method |
Wall-Mounted |
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Parameter |
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Input |
DC Input Voltage Range |
10.5-15VDC（Single battery voltage） |
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AC Input Voltage Range |
73VAC~138VAC / 145VAC~275VAC |
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AC Input Frequency Range |
45Hz~65Hz |
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Max AC charging current |
6A~15A(Depending on the model) |
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AC charging method |
Three-stage (constant current, constant voltage, floating charge) |
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Output |
Efficiency(Battery Mode) |
≥85% |
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Output Voltage(Battery Mode) |
110VAC±2% / 220VAC±2% |
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Output Frequency(Battery Mode) |
50/60Hz±1% |
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Output Wave(Battery Mode) |
Pure Sine Wave |
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Efficiency(AC Mode) |
>99% |
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Output Voltage(AC Mode) |
110VAC±10% / 220VAC±10% |
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Output Frequency(AC Mode) |
Tracking Automatically |
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Output waveform distortion(Battery Mode) |
≤3%（Linear load） |
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No load loss(Battery Mode) |
≤0.8% rated power |
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No load loss(AC Mode) |
≤2% rated power（ charger does not work in AC mode） |
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No load loss(Energy saving Mode) |
≤10W |
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Battery Type |
LEAD |
Charge Voltage：14V；Float Voltage:13.8V（12V system; 24V system x2） |
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OP-LE |
Charge Voltage:14.2V; Float Voltage:13.8V（12V system; 24V system x2） |
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LITHIUM |
Charge Voltage: 12.6V(NMC battery 3S) (12V system; 24V system x2) |
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Customize battery |
Charge and discharge parameters of different types of batteriescan be customized according to user requirements |
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Protection |
Battery undervoltage alarm |
11V; LITHIUM 9.5V(NMC battery 3S)（12V system; 24V system x2） |
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Battery undervoltage protection |
10.5V; LITHIUM 9V(NMC battery 3S)（12V system; 24V system x2） |
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Battery overvoltage alarm |
Lead acid battery: 15V(12V system; 24V system x2) |
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Battery overvoltage protection |
Lead acid battery: 17V(12V system; 24V system x2) |
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Battery overvoltage recovery voltage |
Lead acid battery: 14.5V(12V system; 24V system x2) |
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Overload power protection |
Automatic protection (battery mode), circuit breaker or insurance (AC mode) |
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Output short circuit protection |
Automatic protection (battery mode), circuit breaker or insurance (AC mode) |
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Temperature protection |
>90°C（Shut down output） |
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Alarm |
A |
Normal working condition, buzzer has no alarm sound |
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B |
Buzzer sounds 4 times per second when battery failure, voltage abnormality, overload protection |
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C |
When the machine is turned on for the first time, the buzzer will prompt 5 when the machine is normal |
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Inside Solar controller |
Charging Mode |
PWM |
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Charging current |
10A/20A/30A |
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PV Input Voltage Range |
15V-44V(12V system)；30V-44V(24V system) |
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Max PV Input Voltage(At 25℃) |
50V |
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PV Array Maximum Power |
12V system: 140W/280W/420W; 24V system: 280W/560W/840W |
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Standby loss |
≤3W |
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Maximum conversion efficiency |
>95% |
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Working Mode |
Battery First/AC First/Saving Energy Mode |
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Transfer Time |
≤4ms |
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Display |
LCD |
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Thermal method |
Cooling fan in intelligent control |
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Communication |
RS232/RS485(Optional) |
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Environment |
Operating temperature |
-10℃~40℃ |
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Storage temperature |
-15℃~60℃ |
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Noise |
≤55dB |
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Elevation |
2000m（More than derating） |
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Humidity |
0%~95% ,No condensation |
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Warranty |
1 year |
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Note: All specifications are subject to change without prior notice |
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■ How Does Single Phase Frequency Inverter Work?
1. Home backup system:
When AC grid power is available, inverter charges battery, at the same time, AC grid power bypass through inverter to household appliances, such as refrigerator, TV. When AC grid power is off, it will automatic transfer switch to battery power and convert DC to AC power.
2. Wind or Solar Power system:
Convert DC to AC power. When battery power is lacking, it will automatic transfer to grid power for powering continuously.
■ Details of Single Phase Frequency Inverter
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